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mt76: mt7921: add ieee80211_ops
Filling ieee80211_ops with the mt7921 operations. Co-developed-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Co-developed-by: Soul Huang <Soul.Huang@mediatek.com> Signed-off-by: Soul Huang <Soul.Huang@mediatek.com> Signed-off-by: Sean Wang <sean.wang@mediatek.com> Signed-off-by: Felix Fietkau <nbd@nbd.name>
This commit is contained in:
parent
bb1f6aaf71
commit
e0f9fdda81
1 changed files with 960 additions and 0 deletions
960
drivers/net/wireless/mediatek/mt76/mt7921/main.c
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960
drivers/net/wireless/mediatek/mt76/mt7921/main.c
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// SPDX-License-Identifier: ISC
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/* Copyright (C) 2020 MediaTek Inc. */
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#include <linux/etherdevice.h>
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#include <linux/platform_device.h>
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#include <linux/pci.h>
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#include <linux/module.h>
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#include "mt7921.h"
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#include "mcu.h"
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static void
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mt7921_gen_ppe_thresh(u8 *he_ppet, int nss)
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{
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u8 i, ppet_bits, ppet_size, ru_bit_mask = 0x7; /* HE80 */
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u8 ppet16_ppet8_ru3_ru0[] = {0x1c, 0xc7, 0x71};
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he_ppet[0] = FIELD_PREP(IEEE80211_PPE_THRES_NSS_MASK, nss - 1) |
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FIELD_PREP(IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK,
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ru_bit_mask);
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ppet_bits = IEEE80211_PPE_THRES_INFO_PPET_SIZE *
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nss * hweight8(ru_bit_mask) * 2;
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ppet_size = DIV_ROUND_UP(ppet_bits, 8);
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for (i = 0; i < ppet_size - 1; i++)
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he_ppet[i + 1] = ppet16_ppet8_ru3_ru0[i % 3];
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he_ppet[i + 1] = ppet16_ppet8_ru3_ru0[i % 3] &
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(0xff >> (8 - (ppet_bits - 1) % 8));
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}
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static int
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mt7921_init_he_caps(struct mt7921_phy *phy, enum nl80211_band band,
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struct ieee80211_sband_iftype_data *data)
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{
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int i, idx = 0;
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int nss = hweight8(phy->mt76->chainmask);
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u16 mcs_map = 0;
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for (i = 0; i < 8; i++) {
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if (i < nss)
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mcs_map |= (IEEE80211_HE_MCS_SUPPORT_0_11 << (i * 2));
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else
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mcs_map |= (IEEE80211_HE_MCS_NOT_SUPPORTED << (i * 2));
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}
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for (i = 0; i < NUM_NL80211_IFTYPES; i++) {
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struct ieee80211_sta_he_cap *he_cap = &data[idx].he_cap;
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struct ieee80211_he_cap_elem *he_cap_elem =
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&he_cap->he_cap_elem;
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struct ieee80211_he_mcs_nss_supp *he_mcs =
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&he_cap->he_mcs_nss_supp;
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switch (i) {
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case NL80211_IFTYPE_STATION:
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break;
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default:
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continue;
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}
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data[idx].types_mask = BIT(i);
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he_cap->has_he = true;
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he_cap_elem->mac_cap_info[0] =
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IEEE80211_HE_MAC_CAP0_HTC_HE;
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he_cap_elem->mac_cap_info[3] =
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IEEE80211_HE_MAC_CAP3_OMI_CONTROL |
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IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_RESERVED;
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he_cap_elem->mac_cap_info[4] =
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IEEE80211_HE_MAC_CAP4_AMDSU_IN_AMPDU;
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if (band == NL80211_BAND_2GHZ)
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he_cap_elem->phy_cap_info[0] =
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IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G;
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else if (band == NL80211_BAND_5GHZ)
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he_cap_elem->phy_cap_info[0] =
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IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G |
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IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G;
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he_cap_elem->phy_cap_info[1] =
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IEEE80211_HE_PHY_CAP1_LDPC_CODING_IN_PAYLOAD;
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he_cap_elem->phy_cap_info[2] =
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IEEE80211_HE_PHY_CAP2_STBC_TX_UNDER_80MHZ |
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IEEE80211_HE_PHY_CAP2_STBC_RX_UNDER_80MHZ;
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switch (i) {
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case NL80211_IFTYPE_STATION:
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he_cap_elem->mac_cap_info[0] |=
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IEEE80211_HE_MAC_CAP0_TWT_REQ;
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he_cap_elem->mac_cap_info[1] |=
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IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_16US;
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if (band == NL80211_BAND_2GHZ)
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he_cap_elem->phy_cap_info[0] |=
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IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_2G;
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else if (band == NL80211_BAND_5GHZ)
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he_cap_elem->phy_cap_info[0] |=
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IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_5G;
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he_cap_elem->phy_cap_info[1] |=
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IEEE80211_HE_PHY_CAP1_DEVICE_CLASS_A |
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IEEE80211_HE_PHY_CAP1_HE_LTF_AND_GI_FOR_HE_PPDUS_0_8US;
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he_cap_elem->phy_cap_info[3] |=
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IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_QPSK |
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IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_QPSK;
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he_cap_elem->phy_cap_info[6] |=
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IEEE80211_HE_PHY_CAP6_TRIG_CQI_FB |
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IEEE80211_HE_PHY_CAP6_PARTIAL_BW_EXT_RANGE |
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IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT;
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he_cap_elem->phy_cap_info[7] |=
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IEEE80211_HE_PHY_CAP7_POWER_BOOST_FACTOR_AR |
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IEEE80211_HE_PHY_CAP7_HE_SU_MU_PPDU_4XLTF_AND_08_US_GI;
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he_cap_elem->phy_cap_info[8] |=
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IEEE80211_HE_PHY_CAP8_20MHZ_IN_40MHZ_HE_PPDU_IN_2G |
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IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_484;
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he_cap_elem->phy_cap_info[9] |=
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IEEE80211_HE_PHY_CAP9_LONGER_THAN_16_SIGB_OFDM_SYM |
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IEEE80211_HE_PHY_CAP9_NON_TRIGGERED_CQI_FEEDBACK |
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IEEE80211_HE_PHY_CAP9_TX_1024_QAM_LESS_THAN_242_TONE_RU |
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IEEE80211_HE_PHY_CAP9_RX_1024_QAM_LESS_THAN_242_TONE_RU |
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IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_COMP_SIGB |
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IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_NON_COMP_SIGB;
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break;
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}
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he_mcs->rx_mcs_80 = cpu_to_le16(mcs_map);
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he_mcs->tx_mcs_80 = cpu_to_le16(mcs_map);
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he_mcs->rx_mcs_160 = cpu_to_le16(mcs_map);
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he_mcs->tx_mcs_160 = cpu_to_le16(mcs_map);
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he_mcs->rx_mcs_80p80 = cpu_to_le16(mcs_map);
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he_mcs->tx_mcs_80p80 = cpu_to_le16(mcs_map);
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memset(he_cap->ppe_thres, 0, sizeof(he_cap->ppe_thres));
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if (he_cap_elem->phy_cap_info[6] &
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IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) {
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mt7921_gen_ppe_thresh(he_cap->ppe_thres, nss);
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} else {
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he_cap_elem->phy_cap_info[9] |=
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IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_16US;
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}
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idx++;
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}
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return idx;
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}
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void mt7921_set_stream_he_caps(struct mt7921_phy *phy)
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{
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struct ieee80211_sband_iftype_data *data;
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struct ieee80211_supported_band *band;
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int n;
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if (phy->mt76->cap.has_2ghz) {
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data = phy->iftype[NL80211_BAND_2GHZ];
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n = mt7921_init_he_caps(phy, NL80211_BAND_2GHZ, data);
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band = &phy->mt76->sband_2g.sband;
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band->iftype_data = data;
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band->n_iftype_data = n;
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}
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if (phy->mt76->cap.has_5ghz) {
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data = phy->iftype[NL80211_BAND_5GHZ];
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n = mt7921_init_he_caps(phy, NL80211_BAND_5GHZ, data);
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band = &phy->mt76->sband_5g.sband;
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band->iftype_data = data;
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band->n_iftype_data = n;
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}
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}
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static int mt7921_start(struct ieee80211_hw *hw)
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{
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struct mt7921_dev *dev = mt7921_hw_dev(hw);
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struct mt7921_phy *phy = mt7921_hw_phy(hw);
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mutex_lock(&dev->mt76.mutex);
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mt7921_mcu_set_mac(dev, 0, true, false);
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mt7921_mcu_set_channel_domain(phy);
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mt7921_mcu_set_chan_info(phy, MCU_EXT_CMD_SET_RX_PATH);
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mt7921_mac_reset_counters(phy);
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set_bit(MT76_STATE_RUNNING, &phy->mt76->state);
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ieee80211_queue_delayed_work(hw, &phy->mt76->mac_work,
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MT7921_WATCHDOG_TIME);
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mutex_unlock(&dev->mt76.mutex);
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return 0;
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}
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static void mt7921_stop(struct ieee80211_hw *hw)
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{
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struct mt7921_dev *dev = mt7921_hw_dev(hw);
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struct mt7921_phy *phy = mt7921_hw_phy(hw);
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cancel_delayed_work_sync(&phy->mt76->mac_work);
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mutex_lock(&dev->mt76.mutex);
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clear_bit(MT76_STATE_RUNNING, &phy->mt76->state);
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mt7921_mcu_set_mac(dev, 0, false, false);
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mutex_unlock(&dev->mt76.mutex);
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}
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static inline int get_free_idx(u32 mask, u8 start, u8 end)
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{
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return ffs(~mask & GENMASK(end, start));
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}
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static int get_omac_idx(enum nl80211_iftype type, u64 mask)
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{
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int i;
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switch (type) {
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case NL80211_IFTYPE_STATION:
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/* prefer hw bssid slot 1-3 */
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i = get_free_idx(mask, HW_BSSID_1, HW_BSSID_3);
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if (i)
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return i - 1;
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if (type != NL80211_IFTYPE_STATION)
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break;
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/* next, try to find a free repeater entry for the sta */
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i = get_free_idx(mask >> REPEATER_BSSID_START, 0,
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REPEATER_BSSID_MAX - REPEATER_BSSID_START);
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if (i)
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return i + 32 - 1;
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i = get_free_idx(mask, EXT_BSSID_1, EXT_BSSID_MAX);
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if (i)
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return i - 1;
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if (~mask & BIT(HW_BSSID_0))
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return HW_BSSID_0;
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break;
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case NL80211_IFTYPE_MONITOR:
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/* ap uses hw bssid 0 and ext bssid */
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if (~mask & BIT(HW_BSSID_0))
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return HW_BSSID_0;
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i = get_free_idx(mask, EXT_BSSID_1, EXT_BSSID_MAX);
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if (i)
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return i - 1;
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break;
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default:
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WARN_ON(1);
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break;
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}
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return -1;
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}
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static int mt7921_add_interface(struct ieee80211_hw *hw,
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struct ieee80211_vif *vif)
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{
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struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv;
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struct mt7921_dev *dev = mt7921_hw_dev(hw);
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struct mt7921_phy *phy = mt7921_hw_phy(hw);
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struct mt76_txq *mtxq;
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int idx, ret = 0;
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mutex_lock(&dev->mt76.mutex);
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if (vif->type == NL80211_IFTYPE_MONITOR &&
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is_zero_ether_addr(vif->addr))
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phy->monitor_vif = vif;
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mvif->mt76.idx = ffs(~dev->mt76.vif_mask) - 1;
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if (mvif->mt76.idx >= MT7921_MAX_INTERFACES) {
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ret = -ENOSPC;
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goto out;
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}
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idx = get_omac_idx(vif->type, phy->omac_mask);
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if (idx < 0) {
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ret = -ENOSPC;
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goto out;
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}
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mvif->mt76.omac_idx = idx;
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mvif->phy = phy;
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mvif->mt76.band_idx = 0;
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mvif->mt76.wmm_idx = mvif->mt76.idx % MT7921_MAX_WMM_SETS;
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ret = mt7921_mcu_uni_add_dev(dev, vif, true);
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if (ret)
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goto out;
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dev->mt76.vif_mask |= BIT(mvif->mt76.idx);
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phy->omac_mask |= BIT_ULL(mvif->mt76.omac_idx);
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idx = MT7921_WTBL_RESERVED - mvif->mt76.idx;
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INIT_LIST_HEAD(&mvif->sta.stats_list);
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INIT_LIST_HEAD(&mvif->sta.poll_list);
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mvif->sta.wcid.idx = idx;
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mvif->sta.wcid.ext_phy = mvif->mt76.band_idx;
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mvif->sta.wcid.hw_key_idx = -1;
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mvif->sta.wcid.tx_info |= MT_WCID_TX_INFO_SET;
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mt7921_mac_wtbl_update(dev, idx,
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MT_WTBL_UPDATE_ADM_COUNT_CLEAR);
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rcu_assign_pointer(dev->mt76.wcid[idx], &mvif->sta.wcid);
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if (vif->txq) {
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mtxq = (struct mt76_txq *)vif->txq->drv_priv;
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mtxq->wcid = &mvif->sta.wcid;
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}
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if (vif->type != NL80211_IFTYPE_AP &&
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(!mvif->mt76.omac_idx || mvif->mt76.omac_idx > 3))
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vif->offload_flags = 0;
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vif->offload_flags |= IEEE80211_OFFLOAD_ENCAP_4ADDR;
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out:
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mutex_unlock(&dev->mt76.mutex);
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return ret;
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}
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static void mt7921_remove_interface(struct ieee80211_hw *hw,
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struct ieee80211_vif *vif)
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{
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struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv;
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struct mt7921_sta *msta = &mvif->sta;
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struct mt7921_dev *dev = mt7921_hw_dev(hw);
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struct mt7921_phy *phy = mt7921_hw_phy(hw);
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int idx = msta->wcid.idx;
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if (vif == phy->monitor_vif)
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phy->monitor_vif = NULL;
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mt7921_mcu_uni_add_dev(dev, vif, false);
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rcu_assign_pointer(dev->mt76.wcid[idx], NULL);
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mutex_lock(&dev->mt76.mutex);
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dev->mt76.vif_mask &= ~BIT(mvif->mt76.idx);
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phy->omac_mask &= ~BIT_ULL(mvif->mt76.omac_idx);
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mutex_unlock(&dev->mt76.mutex);
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spin_lock_bh(&dev->sta_poll_lock);
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if (!list_empty(&msta->poll_list))
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list_del_init(&msta->poll_list);
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spin_unlock_bh(&dev->sta_poll_lock);
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}
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int mt7921_set_channel(struct mt7921_phy *phy)
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{
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struct mt7921_dev *dev = phy->dev;
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int ret;
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cancel_delayed_work_sync(&phy->mt76->mac_work);
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mutex_lock(&dev->mt76.mutex);
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set_bit(MT76_RESET, &phy->mt76->state);
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mt76_set_channel(phy->mt76);
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ret = mt7921_mcu_set_chan_info(phy, MCU_EXT_CMD_CHANNEL_SWITCH);
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if (ret)
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goto out;
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mt7921_mac_set_timing(phy);
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mt7921_mac_reset_counters(phy);
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phy->noise = 0;
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out:
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clear_bit(MT76_RESET, &phy->mt76->state);
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mutex_unlock(&dev->mt76.mutex);
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mt76_txq_schedule_all(phy->mt76);
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ieee80211_queue_delayed_work(phy->mt76->hw, &phy->mt76->mac_work,
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MT7921_WATCHDOG_TIME);
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return ret;
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}
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static int mt7921_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
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struct ieee80211_vif *vif, struct ieee80211_sta *sta,
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struct ieee80211_key_conf *key)
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{
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struct mt7921_dev *dev = mt7921_hw_dev(hw);
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struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv;
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struct mt7921_sta *msta = sta ? (struct mt7921_sta *)sta->drv_priv :
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&mvif->sta;
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struct mt76_wcid *wcid = &msta->wcid;
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int idx = key->keyidx;
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/* The hardware does not support per-STA RX GTK, fallback
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* to software mode for these.
|
||||
*/
|
||||
if ((vif->type == NL80211_IFTYPE_ADHOC ||
|
||||
vif->type == NL80211_IFTYPE_MESH_POINT) &&
|
||||
(key->cipher == WLAN_CIPHER_SUITE_TKIP ||
|
||||
key->cipher == WLAN_CIPHER_SUITE_CCMP) &&
|
||||
!(key->flags & IEEE80211_KEY_FLAG_PAIRWISE))
|
||||
return -EOPNOTSUPP;
|
||||
|
||||
/* fall back to sw encryption for unsupported ciphers */
|
||||
switch (key->cipher) {
|
||||
case WLAN_CIPHER_SUITE_AES_CMAC:
|
||||
key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIE;
|
||||
break;
|
||||
case WLAN_CIPHER_SUITE_TKIP:
|
||||
case WLAN_CIPHER_SUITE_CCMP:
|
||||
case WLAN_CIPHER_SUITE_CCMP_256:
|
||||
case WLAN_CIPHER_SUITE_GCMP:
|
||||
case WLAN_CIPHER_SUITE_GCMP_256:
|
||||
case WLAN_CIPHER_SUITE_SMS4:
|
||||
break;
|
||||
case WLAN_CIPHER_SUITE_WEP40:
|
||||
case WLAN_CIPHER_SUITE_WEP104:
|
||||
default:
|
||||
return -EOPNOTSUPP;
|
||||
}
|
||||
|
||||
if (cmd == SET_KEY) {
|
||||
key->hw_key_idx = wcid->idx;
|
||||
wcid->hw_key_idx = idx;
|
||||
} else if (idx == wcid->hw_key_idx) {
|
||||
wcid->hw_key_idx = -1;
|
||||
}
|
||||
mt76_wcid_key_setup(&dev->mt76, wcid,
|
||||
cmd == SET_KEY ? key : NULL);
|
||||
|
||||
return mt7921_mcu_add_key(dev, vif, msta, key, cmd);
|
||||
}
|
||||
|
||||
static int mt7921_config(struct ieee80211_hw *hw, u32 changed)
|
||||
{
|
||||
struct mt7921_dev *dev = mt7921_hw_dev(hw);
|
||||
struct mt7921_phy *phy = mt7921_hw_phy(hw);
|
||||
bool band = phy != &dev->phy;
|
||||
int ret;
|
||||
|
||||
if (changed & IEEE80211_CONF_CHANGE_CHANNEL) {
|
||||
ieee80211_stop_queues(hw);
|
||||
ret = mt7921_set_channel(phy);
|
||||
if (ret)
|
||||
return ret;
|
||||
ieee80211_wake_queues(hw);
|
||||
}
|
||||
|
||||
mutex_lock(&dev->mt76.mutex);
|
||||
|
||||
if (changed & IEEE80211_CONF_CHANGE_MONITOR) {
|
||||
bool enabled = !!(hw->conf.flags & IEEE80211_CONF_MONITOR);
|
||||
|
||||
if (!enabled)
|
||||
phy->rxfilter |= MT_WF_RFCR_DROP_OTHER_UC;
|
||||
else
|
||||
phy->rxfilter &= ~MT_WF_RFCR_DROP_OTHER_UC;
|
||||
|
||||
mt76_rmw_field(dev, MT_DMA_DCR0(band), MT_DMA_DCR0_RXD_G5_EN,
|
||||
enabled);
|
||||
mt76_wr(dev, MT_WF_RFCR(band), phy->rxfilter);
|
||||
}
|
||||
|
||||
mutex_unlock(&dev->mt76.mutex);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int
|
||||
mt7921_conf_tx(struct ieee80211_hw *hw, struct ieee80211_vif *vif, u16 queue,
|
||||
const struct ieee80211_tx_queue_params *params)
|
||||
{
|
||||
struct mt7921_dev *dev = mt7921_hw_dev(hw);
|
||||
struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv;
|
||||
|
||||
/* no need to update right away, we'll get BSS_CHANGED_QOS */
|
||||
queue = mt7921_lmac_mapping(dev, queue);
|
||||
mvif->queue_params[queue] = *params;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static void mt7921_configure_filter(struct ieee80211_hw *hw,
|
||||
unsigned int changed_flags,
|
||||
unsigned int *total_flags,
|
||||
u64 multicast)
|
||||
{
|
||||
struct mt7921_dev *dev = mt7921_hw_dev(hw);
|
||||
struct mt7921_phy *phy = mt7921_hw_phy(hw);
|
||||
bool band = phy != &dev->phy;
|
||||
u32 ctl_flags = MT_WF_RFCR1_DROP_ACK |
|
||||
MT_WF_RFCR1_DROP_BF_POLL |
|
||||
MT_WF_RFCR1_DROP_BA |
|
||||
MT_WF_RFCR1_DROP_CFEND |
|
||||
MT_WF_RFCR1_DROP_CFACK;
|
||||
u32 flags = 0;
|
||||
|
||||
#define MT76_FILTER(_flag, _hw) do { \
|
||||
flags |= *total_flags & FIF_##_flag; \
|
||||
phy->rxfilter &= ~(_hw); \
|
||||
phy->rxfilter |= !(flags & FIF_##_flag) * (_hw); \
|
||||
} while (0)
|
||||
|
||||
mutex_lock(&dev->mt76.mutex);
|
||||
|
||||
phy->rxfilter &= ~(MT_WF_RFCR_DROP_OTHER_BSS |
|
||||
MT_WF_RFCR_DROP_OTHER_BEACON |
|
||||
MT_WF_RFCR_DROP_FRAME_REPORT |
|
||||
MT_WF_RFCR_DROP_PROBEREQ |
|
||||
MT_WF_RFCR_DROP_MCAST_FILTERED |
|
||||
MT_WF_RFCR_DROP_MCAST |
|
||||
MT_WF_RFCR_DROP_BCAST |
|
||||
MT_WF_RFCR_DROP_DUPLICATE |
|
||||
MT_WF_RFCR_DROP_A2_BSSID |
|
||||
MT_WF_RFCR_DROP_UNWANTED_CTL |
|
||||
MT_WF_RFCR_DROP_STBC_MULTI);
|
||||
|
||||
MT76_FILTER(OTHER_BSS, MT_WF_RFCR_DROP_OTHER_TIM |
|
||||
MT_WF_RFCR_DROP_A3_MAC |
|
||||
MT_WF_RFCR_DROP_A3_BSSID);
|
||||
|
||||
MT76_FILTER(FCSFAIL, MT_WF_RFCR_DROP_FCSFAIL);
|
||||
|
||||
MT76_FILTER(CONTROL, MT_WF_RFCR_DROP_CTS |
|
||||
MT_WF_RFCR_DROP_RTS |
|
||||
MT_WF_RFCR_DROP_CTL_RSV |
|
||||
MT_WF_RFCR_DROP_NDPA);
|
||||
|
||||
*total_flags = flags;
|
||||
mt76_wr(dev, MT_WF_RFCR(band), phy->rxfilter);
|
||||
|
||||
if (*total_flags & FIF_CONTROL)
|
||||
mt76_clear(dev, MT_WF_RFCR1(band), ctl_flags);
|
||||
else
|
||||
mt76_set(dev, MT_WF_RFCR1(band), ctl_flags);
|
||||
|
||||
mutex_unlock(&dev->mt76.mutex);
|
||||
}
|
||||
|
||||
static void mt7921_bss_info_changed(struct ieee80211_hw *hw,
|
||||
struct ieee80211_vif *vif,
|
||||
struct ieee80211_bss_conf *info,
|
||||
u32 changed)
|
||||
{
|
||||
struct mt7921_phy *phy = mt7921_hw_phy(hw);
|
||||
struct mt7921_dev *dev = mt7921_hw_dev(hw);
|
||||
|
||||
mutex_lock(&dev->mt76.mutex);
|
||||
|
||||
if (changed & BSS_CHANGED_ERP_SLOT) {
|
||||
int slottime = info->use_short_slot ? 9 : 20;
|
||||
|
||||
if (slottime != phy->slottime) {
|
||||
phy->slottime = slottime;
|
||||
mt7921_mac_set_timing(phy);
|
||||
}
|
||||
}
|
||||
|
||||
/* ensure that enable txcmd_mode after bss_info */
|
||||
if (changed & (BSS_CHANGED_QOS | BSS_CHANGED_BEACON_ENABLED))
|
||||
mt7921_mcu_set_tx(dev, vif);
|
||||
|
||||
mutex_unlock(&dev->mt76.mutex);
|
||||
}
|
||||
|
||||
int mt7921_mac_sta_add(struct mt76_dev *mdev, struct ieee80211_vif *vif,
|
||||
struct ieee80211_sta *sta)
|
||||
{
|
||||
struct mt7921_dev *dev = container_of(mdev, struct mt7921_dev, mt76);
|
||||
struct mt7921_sta *msta = (struct mt7921_sta *)sta->drv_priv;
|
||||
struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv;
|
||||
int ret, idx;
|
||||
|
||||
idx = mt76_wcid_alloc(dev->mt76.wcid_mask, MT7921_WTBL_STA - 1);
|
||||
if (idx < 0)
|
||||
return -ENOSPC;
|
||||
|
||||
INIT_LIST_HEAD(&msta->stats_list);
|
||||
INIT_LIST_HEAD(&msta->poll_list);
|
||||
msta->vif = mvif;
|
||||
msta->wcid.sta = 1;
|
||||
msta->wcid.idx = idx;
|
||||
msta->wcid.ext_phy = mvif->mt76.band_idx;
|
||||
msta->wcid.tx_info |= MT_WCID_TX_INFO_SET;
|
||||
msta->stats.jiffies = jiffies;
|
||||
|
||||
if (vif->type == NL80211_IFTYPE_STATION && !sta->tdls)
|
||||
mt7921_mcu_uni_add_bss(&dev->phy, vif, true);
|
||||
mt7921_mac_wtbl_update(dev, idx,
|
||||
MT_WTBL_UPDATE_ADM_COUNT_CLEAR);
|
||||
|
||||
ret = mt7921_mcu_uni_add_sta(dev, vif, sta, true);
|
||||
if (ret)
|
||||
return ret;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
void mt7921_mac_sta_remove(struct mt76_dev *mdev, struct ieee80211_vif *vif,
|
||||
struct ieee80211_sta *sta)
|
||||
{
|
||||
struct mt7921_dev *dev = container_of(mdev, struct mt7921_dev, mt76);
|
||||
struct mt7921_sta *msta = (struct mt7921_sta *)sta->drv_priv;
|
||||
|
||||
mt7921_mcu_uni_add_sta(dev, vif, sta, false);
|
||||
mt7921_mac_wtbl_update(dev, msta->wcid.idx,
|
||||
MT_WTBL_UPDATE_ADM_COUNT_CLEAR);
|
||||
if (vif->type == NL80211_IFTYPE_STATION && !sta->tdls)
|
||||
mt7921_mcu_uni_add_bss(&dev->phy, vif, false);
|
||||
|
||||
spin_lock_bh(&dev->sta_poll_lock);
|
||||
if (!list_empty(&msta->poll_list))
|
||||
list_del_init(&msta->poll_list);
|
||||
if (!list_empty(&msta->stats_list))
|
||||
list_del_init(&msta->stats_list);
|
||||
spin_unlock_bh(&dev->sta_poll_lock);
|
||||
}
|
||||
|
||||
static void mt7921_tx(struct ieee80211_hw *hw,
|
||||
struct ieee80211_tx_control *control,
|
||||
struct sk_buff *skb)
|
||||
{
|
||||
struct mt7921_dev *dev = mt7921_hw_dev(hw);
|
||||
struct mt76_phy *mphy = hw->priv;
|
||||
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
|
||||
struct ieee80211_vif *vif = info->control.vif;
|
||||
struct mt76_wcid *wcid = &dev->mt76.global_wcid;
|
||||
|
||||
if (control->sta) {
|
||||
struct mt7921_sta *sta;
|
||||
|
||||
sta = (struct mt7921_sta *)control->sta->drv_priv;
|
||||
wcid = &sta->wcid;
|
||||
}
|
||||
|
||||
if (vif && !control->sta) {
|
||||
struct mt7921_vif *mvif;
|
||||
|
||||
mvif = (struct mt7921_vif *)vif->drv_priv;
|
||||
wcid = &mvif->sta.wcid;
|
||||
}
|
||||
|
||||
mt76_tx(mphy, control->sta, wcid, skb);
|
||||
}
|
||||
|
||||
static int mt7921_set_rts_threshold(struct ieee80211_hw *hw, u32 val)
|
||||
{
|
||||
struct mt7921_dev *dev = mt7921_hw_dev(hw);
|
||||
struct mt7921_phy *phy = mt7921_hw_phy(hw);
|
||||
|
||||
mutex_lock(&dev->mt76.mutex);
|
||||
mt7921_mcu_set_rts_thresh(phy, val);
|
||||
mutex_unlock(&dev->mt76.mutex);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int
|
||||
mt7921_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
|
||||
struct ieee80211_ampdu_params *params)
|
||||
{
|
||||
enum ieee80211_ampdu_mlme_action action = params->action;
|
||||
struct mt7921_dev *dev = mt7921_hw_dev(hw);
|
||||
struct ieee80211_sta *sta = params->sta;
|
||||
struct ieee80211_txq *txq = sta->txq[params->tid];
|
||||
struct mt7921_sta *msta = (struct mt7921_sta *)sta->drv_priv;
|
||||
u16 tid = params->tid;
|
||||
u16 ssn = params->ssn;
|
||||
struct mt76_txq *mtxq;
|
||||
int ret = 0;
|
||||
|
||||
if (!txq)
|
||||
return -EINVAL;
|
||||
|
||||
mtxq = (struct mt76_txq *)txq->drv_priv;
|
||||
|
||||
mutex_lock(&dev->mt76.mutex);
|
||||
switch (action) {
|
||||
case IEEE80211_AMPDU_RX_START:
|
||||
mt76_rx_aggr_start(&dev->mt76, &msta->wcid, tid, ssn,
|
||||
params->buf_size);
|
||||
mt7921_mcu_uni_rx_ba(dev, params, true);
|
||||
break;
|
||||
case IEEE80211_AMPDU_RX_STOP:
|
||||
mt76_rx_aggr_stop(&dev->mt76, &msta->wcid, tid);
|
||||
mt7921_mcu_uni_rx_ba(dev, params, false);
|
||||
break;
|
||||
case IEEE80211_AMPDU_TX_OPERATIONAL:
|
||||
mtxq->aggr = true;
|
||||
mtxq->send_bar = false;
|
||||
mt7921_mcu_uni_tx_ba(dev, params, true);
|
||||
break;
|
||||
case IEEE80211_AMPDU_TX_STOP_FLUSH:
|
||||
case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT:
|
||||
mtxq->aggr = false;
|
||||
clear_bit(tid, &msta->ampdu_state);
|
||||
mt7921_mcu_uni_tx_ba(dev, params, false);
|
||||
break;
|
||||
case IEEE80211_AMPDU_TX_START:
|
||||
set_bit(tid, &msta->ampdu_state);
|
||||
ret = IEEE80211_AMPDU_TX_START_IMMEDIATE;
|
||||
break;
|
||||
case IEEE80211_AMPDU_TX_STOP_CONT:
|
||||
mtxq->aggr = false;
|
||||
clear_bit(tid, &msta->ampdu_state);
|
||||
mt7921_mcu_uni_tx_ba(dev, params, false);
|
||||
ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid);
|
||||
break;
|
||||
}
|
||||
mutex_unlock(&dev->mt76.mutex);
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
static int
|
||||
mt7921_sta_add(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
|
||||
struct ieee80211_sta *sta)
|
||||
{
|
||||
return mt76_sta_state(hw, vif, sta, IEEE80211_STA_NOTEXIST,
|
||||
IEEE80211_STA_NONE);
|
||||
}
|
||||
|
||||
static int
|
||||
mt7921_sta_remove(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
|
||||
struct ieee80211_sta *sta)
|
||||
{
|
||||
return mt76_sta_state(hw, vif, sta, IEEE80211_STA_NONE,
|
||||
IEEE80211_STA_NOTEXIST);
|
||||
}
|
||||
|
||||
static int
|
||||
mt7921_get_stats(struct ieee80211_hw *hw,
|
||||
struct ieee80211_low_level_stats *stats)
|
||||
{
|
||||
struct mt7921_phy *phy = mt7921_hw_phy(hw);
|
||||
struct mib_stats *mib = &phy->mib;
|
||||
|
||||
stats->dot11RTSSuccessCount = mib->rts_cnt;
|
||||
stats->dot11RTSFailureCount = mib->rts_retries_cnt;
|
||||
stats->dot11FCSErrorCount = mib->fcs_err_cnt;
|
||||
stats->dot11ACKFailureCount = mib->ack_fail_cnt;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static u64
|
||||
mt7921_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
|
||||
{
|
||||
struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv;
|
||||
struct mt7921_dev *dev = mt7921_hw_dev(hw);
|
||||
struct mt7921_phy *phy = mt7921_hw_phy(hw);
|
||||
u8 omac_idx = mvif->mt76.omac_idx;
|
||||
bool band = phy != &dev->phy;
|
||||
union {
|
||||
u64 t64;
|
||||
u32 t32[2];
|
||||
} tsf;
|
||||
u16 n;
|
||||
|
||||
mutex_lock(&dev->mt76.mutex);
|
||||
|
||||
n = omac_idx > HW_BSSID_MAX ? HW_BSSID_0 : omac_idx;
|
||||
/* TSF software read */
|
||||
mt76_set(dev, MT_LPON_TCR(band, n), MT_LPON_TCR_SW_MODE);
|
||||
tsf.t32[0] = mt76_rr(dev, MT_LPON_UTTR0(band));
|
||||
tsf.t32[1] = mt76_rr(dev, MT_LPON_UTTR1(band));
|
||||
|
||||
mutex_unlock(&dev->mt76.mutex);
|
||||
|
||||
return tsf.t64;
|
||||
}
|
||||
|
||||
static void
|
||||
mt7921_set_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
|
||||
u64 timestamp)
|
||||
{
|
||||
struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv;
|
||||
struct mt7921_dev *dev = mt7921_hw_dev(hw);
|
||||
struct mt7921_phy *phy = mt7921_hw_phy(hw);
|
||||
u8 omac_idx = mvif->mt76.omac_idx;
|
||||
bool band = phy != &dev->phy;
|
||||
union {
|
||||
u64 t64;
|
||||
u32 t32[2];
|
||||
} tsf = { .t64 = timestamp, };
|
||||
u16 n;
|
||||
|
||||
mutex_lock(&dev->mt76.mutex);
|
||||
|
||||
n = omac_idx > HW_BSSID_MAX ? HW_BSSID_0 : omac_idx;
|
||||
mt76_wr(dev, MT_LPON_UTTR0(band), tsf.t32[0]);
|
||||
mt76_wr(dev, MT_LPON_UTTR1(band), tsf.t32[1]);
|
||||
/* TSF software overwrite */
|
||||
mt76_set(dev, MT_LPON_TCR(band, n), MT_LPON_TCR_SW_WRITE);
|
||||
|
||||
mutex_unlock(&dev->mt76.mutex);
|
||||
}
|
||||
|
||||
static void
|
||||
mt7921_set_coverage_class(struct ieee80211_hw *hw, s16 coverage_class)
|
||||
{
|
||||
struct mt7921_phy *phy = mt7921_hw_phy(hw);
|
||||
struct mt7921_dev *dev = phy->dev;
|
||||
|
||||
mutex_lock(&dev->mt76.mutex);
|
||||
phy->coverage_class = max_t(s16, coverage_class, 0);
|
||||
mt7921_mac_set_timing(phy);
|
||||
mutex_unlock(&dev->mt76.mutex);
|
||||
}
|
||||
|
||||
void mt7921_scan_work(struct work_struct *work)
|
||||
{
|
||||
struct mt7921_phy *phy;
|
||||
|
||||
phy = (struct mt7921_phy *)container_of(work, struct mt7921_phy,
|
||||
scan_work.work);
|
||||
|
||||
while (true) {
|
||||
struct mt7921_mcu_rxd *rxd;
|
||||
struct sk_buff *skb;
|
||||
|
||||
spin_lock_bh(&phy->dev->mt76.lock);
|
||||
skb = __skb_dequeue(&phy->scan_event_list);
|
||||
spin_unlock_bh(&phy->dev->mt76.lock);
|
||||
|
||||
if (!skb)
|
||||
break;
|
||||
|
||||
rxd = (struct mt7921_mcu_rxd *)skb->data;
|
||||
if (rxd->eid == MCU_EVENT_SCHED_SCAN_DONE) {
|
||||
ieee80211_sched_scan_results(phy->mt76->hw);
|
||||
} else if (test_and_clear_bit(MT76_HW_SCANNING,
|
||||
&phy->mt76->state)) {
|
||||
struct cfg80211_scan_info info = {
|
||||
.aborted = false,
|
||||
};
|
||||
|
||||
ieee80211_scan_completed(phy->mt76->hw, &info);
|
||||
}
|
||||
dev_kfree_skb(skb);
|
||||
}
|
||||
}
|
||||
|
||||
static int
|
||||
mt7921_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
|
||||
struct ieee80211_scan_request *req)
|
||||
{
|
||||
struct mt7921_dev *dev = mt7921_hw_dev(hw);
|
||||
struct mt76_phy *mphy = hw->priv;
|
||||
int err;
|
||||
|
||||
mutex_lock(&dev->mt76.mutex);
|
||||
err = mt7921_mcu_hw_scan(mphy->priv, vif, req);
|
||||
mutex_unlock(&dev->mt76.mutex);
|
||||
|
||||
return err;
|
||||
}
|
||||
|
||||
static void
|
||||
mt7921_cancel_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
|
||||
{
|
||||
struct mt7921_dev *dev = mt7921_hw_dev(hw);
|
||||
struct mt76_phy *mphy = hw->priv;
|
||||
|
||||
mutex_lock(&dev->mt76.mutex);
|
||||
mt7921_mcu_cancel_hw_scan(mphy->priv, vif);
|
||||
mutex_unlock(&dev->mt76.mutex);
|
||||
}
|
||||
|
||||
static int
|
||||
mt7921_set_antenna(struct ieee80211_hw *hw, u32 tx_ant, u32 rx_ant)
|
||||
{
|
||||
struct mt7921_dev *dev = mt7921_hw_dev(hw);
|
||||
struct mt7921_phy *phy = mt7921_hw_phy(hw);
|
||||
int max_nss = hweight8(hw->wiphy->available_antennas_tx);
|
||||
|
||||
if (!tx_ant || tx_ant != rx_ant || ffs(tx_ant) > max_nss)
|
||||
return -EINVAL;
|
||||
|
||||
if ((BIT(hweight8(tx_ant)) - 1) != tx_ant)
|
||||
tx_ant = BIT(ffs(tx_ant) - 1) - 1;
|
||||
|
||||
mutex_lock(&dev->mt76.mutex);
|
||||
|
||||
phy->mt76->antenna_mask = tx_ant;
|
||||
phy->mt76->chainmask = tx_ant;
|
||||
|
||||
mt76_set_stream_caps(phy->mt76, true);
|
||||
mt7921_set_stream_he_caps(phy);
|
||||
|
||||
mutex_unlock(&dev->mt76.mutex);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static void
|
||||
mt7921_sta_rc_update(struct ieee80211_hw *hw,
|
||||
struct ieee80211_vif *vif,
|
||||
struct ieee80211_sta *sta,
|
||||
u32 changed)
|
||||
{
|
||||
}
|
||||
|
||||
static void mt7921_sta_statistics(struct ieee80211_hw *hw,
|
||||
struct ieee80211_vif *vif,
|
||||
struct ieee80211_sta *sta,
|
||||
struct station_info *sinfo)
|
||||
{
|
||||
struct mt7921_sta *msta = (struct mt7921_sta *)sta->drv_priv;
|
||||
struct mt7921_sta_stats *stats = &msta->stats;
|
||||
|
||||
if (!stats->tx_rate.legacy && !stats->tx_rate.flags)
|
||||
return;
|
||||
|
||||
if (stats->tx_rate.legacy) {
|
||||
sinfo->txrate.legacy = stats->tx_rate.legacy;
|
||||
} else {
|
||||
sinfo->txrate.mcs = stats->tx_rate.mcs;
|
||||
sinfo->txrate.nss = stats->tx_rate.nss;
|
||||
sinfo->txrate.bw = stats->tx_rate.bw;
|
||||
sinfo->txrate.he_gi = stats->tx_rate.he_gi;
|
||||
sinfo->txrate.he_dcm = stats->tx_rate.he_dcm;
|
||||
sinfo->txrate.he_ru_alloc = stats->tx_rate.he_ru_alloc;
|
||||
}
|
||||
sinfo->txrate.flags = stats->tx_rate.flags;
|
||||
sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BITRATE);
|
||||
}
|
||||
|
||||
const struct ieee80211_ops mt7921_ops = {
|
||||
.tx = mt7921_tx,
|
||||
.start = mt7921_start,
|
||||
.stop = mt7921_stop,
|
||||
.add_interface = mt7921_add_interface,
|
||||
.remove_interface = mt7921_remove_interface,
|
||||
.config = mt7921_config,
|
||||
.conf_tx = mt7921_conf_tx,
|
||||
.configure_filter = mt7921_configure_filter,
|
||||
.bss_info_changed = mt7921_bss_info_changed,
|
||||
.sta_add = mt7921_sta_add,
|
||||
.sta_remove = mt7921_sta_remove,
|
||||
.sta_pre_rcu_remove = mt76_sta_pre_rcu_remove,
|
||||
.sta_rc_update = mt7921_sta_rc_update,
|
||||
.set_key = mt7921_set_key,
|
||||
.ampdu_action = mt7921_ampdu_action,
|
||||
.set_rts_threshold = mt7921_set_rts_threshold,
|
||||
.wake_tx_queue = mt76_wake_tx_queue,
|
||||
.release_buffered_frames = mt76_release_buffered_frames,
|
||||
.get_txpower = mt76_get_txpower,
|
||||
.get_stats = mt7921_get_stats,
|
||||
.get_tsf = mt7921_get_tsf,
|
||||
.set_tsf = mt7921_set_tsf,
|
||||
.get_survey = mt76_get_survey,
|
||||
.get_antenna = mt76_get_antenna,
|
||||
.set_antenna = mt7921_set_antenna,
|
||||
.set_coverage_class = mt7921_set_coverage_class,
|
||||
.hw_scan = mt7921_hw_scan,
|
||||
.cancel_hw_scan = mt7921_cancel_hw_scan,
|
||||
.sta_statistics = mt7921_sta_statistics,
|
||||
};
|
Loading…
Reference in a new issue